20052615 has 16 divisors (see below), whose sum is σ = 35001216. Its totient is φ = 9722400.

The previous prime is 20052587. The next prime is 20052623. The reversal of 20052615 is 51625002.

It is not a de Polignac number, because 20052615 - 2⁵ = 20052583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20052591 and 20052600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60601 + ... + 60930.

It is an arithmetic number, because the mean of its divisors is an integer number (2187576).

Almost surely, 2^20052615 is an apocalyptic number.

20052615 is a deficient number, since it is larger than the sum of its proper divisors (14948601).

20052615 is a wasteful number, since it uses less digits than its factorization.

20052615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121550.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 20052615 is about 4478.0146270418. The cubic root of 20052615 is about 271.6795850348.

Adding to 20052615 its reverse (51625002), we get a palindrome (71677617).

The spelling of 20052615 in words is "twenty million, fifty-two thousand, six hundred fifteen".